Waste-pipe trap.



No. 705,769. Patented July 29, I902.

' .V. E. LOMBARB &. C. E. COLE.

- WASTE PIPE TRAP.

(Application filed Sept. 21, 1901.) (No Model.) 2 Sheets-Sheet I.

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Affamey A m 4% H WITNESSES:

"No. 705,769. Patented July 29, I902.

V. E. LOMBARD & C. E. COLE.

WASTE-PIPE TRAP. (Application filed. Sept. Q1, 1901.)

(lloModeL) 2 Shasta-Sheet 2.

v Clifford 27. C026 Alfomey :mmnms PETERS co, PHOYO-LITHQ, WASNINGYON, o, 5..

UNITED STATES PAT NT OFFICE.

VICTOR E. LOMBARD AND CLIFFORD E. COLE, OF JACKSON, MISSISSIPPI.

WASTE-PIPE TR AP." I

SPECIFICATION forming part of Letters Patent No. 705,769,"dated July 29, 1902. Application filed September 21, 1901. Serial No. 76,098. (No model.)

struction of parts andin their. combination, as will be hereinafter fully specified, and par-' ticularly pointed out and distinctly claimed. We have fully and clearlyillustrated our improvements in the accompanying drawings, wherein---- Figure 1 is a side elevation of the device as in operative connection to a bath-tub. Fig. 2 is a central section through the device and a waste-pipe trap of a well-known construe.

tion. Fig. 3 is a perspective view of the cover and vent-pipe extension. I

Referring to the drawings, A designates a sealing-trap of the pot kind, into which a waste-pipe 1 leads from any point at which the water is drawn, and opposite to wastepipe 1 is a drain-pipe 2, which leads into the main drain and vent pipe'3. The pipes 1 and 2 are sealed at their respective connections in any well-known manner. To atrap thus arranged and coupled with the requisite connections we connect our approved trap-cover and vent-pipe coupling integral therewith;

and further referring to the drawings, B des-' ignates a metal plate, preferably made ovate or oval in perimetal contour, as indicated, and in the larger portion of this plate is made a round opening 4 sufficient in extent to afford ample access to the interior of the trap. About this opening is a depending circular flange 5, screw-threaded in its interior, as indicated in Fig. 2 of the drawings. At the tapering portion of the plate B on the under side is formed a pipe-opening 6 substantially semicircular in cross section and tapering from its mouth to its union with the plate, through which it communicateswith a coupling extension 7, with which the vent-pipe 8 couples in any propermanner. The ventpipe 8 leads'in'to thefmain drain and vent pipe 3, as shown in Fig. l of the drawings.

To the opening in the plate B is fitted a'cover 9, which is held in position by the engage ment of a'threaded depending flange 10 with the threads in the flange 5. A wrench-nut 11 is provided on the cover for a well-known use.

It will be perceived from the foregoing description, taken in connection with the draw- ;ings, thata free air-passage is formed and maintained through the trap and that a free circulation of air is bad with the main pipe 3, so that the trap is always completely ventilated.

It is apparent the device may be equally utilized under sinks, basins, and other fixtures employing waste-pipes.

What we claim is-- 1. A trap-cover and vent-pipe coupling comprising a ring having internal screwthreads and a laterally-extending vent-pipe section having an upwardly-tapering lower portion and a vertical cylindrical upper portion, and a cover formed with a depending annular flange provided with exterior screwthreads to engage the threads of the ring portion, substantially 'as described.

2. The'combination with a trap of the kind described, having an inlet and an outlet pipe, of a trap cover andvent pipe coupling comprising a ring having internal screw-threads,

'andfor'medwith a laterally projecting ventpipe' coupling having an inclined upwardlyflaring portion and vertical pipe portion, substantially as described.

In testimony whereof we afiix our signatures in presence of two witnesses.

VICTOR E. LOMBARD.

CLIFFORD E.-OOLE. Witnesses: s WM. J. SHELLEY,

J. H. GAIN, J. W. Hoocn, JEssE R. J ones. 

